Richard Jefferson’s(notes) decision to opt out of the final $15 million season of his contract might not be a sign he’s willing to leave the San Antonio Spurs.

Sources said Spurs coach Gregg Popovich has been personally working out Jefferson in San Antonio. The free-agent forward could re-sign with the team at a number that lowers the franchise’s luxury-tax hit while guaranteeing him more money on the back end of a multiyear contract.